20993567856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{390157}}^1$

素因数の和:390246

約数の個数: 80

約数和(自身を含む): 58055510400

約数和(自身を除く): 37061942544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 59, 76, 114, 118, 152, 177, 228, 236, 304, 354, 456, 472, 708, 912, 944, 1121, 1416, 2242, 2832, 3363, 4484, 6726, 8968, 13452, 17936, 26904, 53808, 390157, 780314, 1170471, 1560628, 2340942, 3121256, 4681884, 6242512, 7412983, 9363768, 14825966, 18727536, 22238949, 23019263, 29651932, 44477898, 46038526, 59303864, 69057789, 88955796, 92077052, 118607728, 138115578, 177911592, 184154104, 276231156, 355823184, 368308208, 437365997, 552462312, 874731994, 1104924624, 1312097991, 1749463988, 2624195982, 3498927976, 5248391964, 6997855952, 10496783928, 20993567856]

約数ペア:

[(1, 20993567856), (2, 10496783928), (3, 6997855952), (4, 5248391964), (6, 3498927976), (8, 2624195982), (12, 1749463988), (16, 1312097991), (19, 1104924624), (24, 874731994), (38, 552462312), (48, 437365997), (57, 368308208), (59, 355823184), (76, 276231156), (114, 184154104), (118, 177911592), (152, 138115578), (177, 118607728), (228, 92077052), (236, 88955796), (304, 69057789), (354, 59303864), (456, 46038526), (472, 44477898), (708, 29651932), (912, 23019263), (944, 22238949), (1121, 18727536), (1416, 14825966), (2242, 9363768), (2832, 7412983), (3363, 6242512), (4484, 4681884), (6726, 3121256), (8968, 2340942), (13452, 1560628), (17936, 1170471), (26904, 780314), (53808, 390157)]